Fixed multiple pep8 errors in salt-run code

fixed errors
```
doc.py:18:1: E302 expected 2 blank lines, found 1
doc.py:27:1: E302 expected 2 blank lines, found 1
doc.py:36:1: E302 expected 2 blank lines, found 1
doc.py:54:1: E302 expected 2 blank lines, found 1
jobs.py:43:17: E123 closing bracket does not match indentation of opening bracket's line
launchd.py:35:1: W293 blank line contains whitespace
virt.py:49:1: E302 expected 2 blank lines, found 1
virt.py:55:80: E501 line too long (89 > 79 characters)
virt.py:116:1: W293 blank line contains whitespace
virt.py:310:80: E501 line too long (83 > 79 characters)
winrepo.py:38:63: W291 trailing whitespace
winrepo.py:41:33: E128 continuation line under-indented for visual indent
winrepo.py:50:1: E302 expected 2 blank lines, found 1
winrepo.py:64:80: E501 line too long (84 > 79 characters)
```
after refactor: no errors
```
doc.py
jobs.py
virt.py
```
after refacter:pep8 errors left:
```
launchd.py:12:80: E501 line too long (102 > 79 characters)
winrepo.py:33:80: E501 line too long (80 > 79 characters)
winrepo.py:41:80: E501 line too long (83 > 79 characters)
winrepo.py:42:80: E501 line too long (96 > 79 characters)
```